<div class="parallax-subscribe">
    <form action="<?php echo $this->getFormActionUrl() ?>" method="post" id="parallax-newsletter-validate-detail" onsubmit="setNewsletterCookie()">
        <div class="input-box">
            <input type="text" name="email" id="newsletter" title="<?php echo $this->__('Sign up for our newsletter') ?>" class="input-text required-entry validate-email" placeholder="<?php echo $this->__('Email Address'); ?>" />
            <button type="submit" title="<?php echo $this->__('Subscribe') ?>" class="button"><span><span><?php echo $this->__('Subscribe') ?></span></span></button>
            <div class="clearer"></div>
        </div>
    </form>
    <script type="text/javascript">
    //<![CDATA[
        var homeSidebarNewsletterValidateDetail = new VarienForm('parallax-newsletter-validate-detail');
    //]]>
    </script>
</div>